/Engine/Source/Runtime/SlateCore/Public/Types/SlateAttributeMetaData.h
Update all the attributes.
static void UpdateAllAttributes ( [SWidget](API\Runtime\SlateCore\Widgets\SWidget) & OwningWidget, [EInvalidationPermission](API\Runtime\SlateCore\Types\FSlateAttributeMetaData\EInvalidationPermission) InvalidationStyle )